Re: Minimizing input/output latency ?
Re: Minimizing input/output latency ?
- Subject: Re: Minimizing input/output latency ?
- From: William Stewart <email@hidden>
- Date: Tue, 19 Apr 2005 12:45:41 -0700
On 19/04/2005, at 11:45 AM, Stéphane Letz wrote:
Le 19 avr. 05, à 20:10, William Stewart a écrit :
<deleted blah blah blah> ;-)
Thanks a lot Bill, I think this is exactly what I needed...
In my case where an IO callback uses the output buffer computed at
the *previous* cycle, i have an almost constant and low IO
processing cost, something like:
- read Input buffers
- do some minimal processing (that I can guaranty to be time
bounded in my application because actual processing is done in
another thread)
- write output buffers from the previous cycle.
Thus I should be able to use an I/OUsage value that almost exactly
represent what percentage of the IO cycle my application cycle
represent, in this case a *low* I/OUsage and it should gain almost
one entire buffer size latency...
Is this correct?
Yes, exactly.
Are we allowed to ask specific questions on Tiger now ((-: ?
of course not
Bill
--
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tel: +1 408 974 4056
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